# Newton's first law of motion

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Related to Newton's first law of motion: Newton's third law of motion
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 Noun 1 Newton's first law of motion - a body remains at rest or in motion with a constant velocity unless acted upon by an external forcelaw of motion, Newton's law, Newton's law of motion - one of three basic laws of classical mechanics
References in periodicals archive ?
When your plane is stationary, it's a good time to consider Isaac Newton's First Law of Motion, regarding inertia.
The group has met weekly, covering a variety of STEM-focused topics such as the Scientific Method, Bernoulli's Principle, Pascal's Law, Newton's first law of motion and more.
That's because each time the sled stops, a player has to contend with Newton's First Law of Motion, which states that an object at rest has the tendency to remain at rest.
NEWTON'S FIRST LAW OF MOTION, also known as the principle of inertia, says "Every body perseveres in its state of being at rest or of moving uniformly straight forward, except insofar as it is compelled to change its state by forces impressed.
Sir Isaac Newton's First Law of Motion states that an object at rest tends to stay at rest and that an object in motion tends to stay in motion with the same speed and in the same direction unless acted upon by an unbalanced force.
Newton's First Law of Motion states that unless acted upon by an external force, a body at rest will remain at rest and a body in motion will remain in motion.
Newton's first law of motion states, "Every object in a state of uniform motion tends to remain in that state of motion, unless an external force is applied to it.
Sir Issac Newton's first law of motion comes into play here.
Sir Isaac Newton's First Law of Motion can be rewritten for pitchers: "The velocity of a fastball relates only to the force that the pitcher applies directly toward home plate.

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